TL4050A50QDCKRQ1

Overview

The TL4050A50QDCKRQ1 is a micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 5 V with an initial accuracy of 0.1 percent and a temperature coefficient of 30 PPM per degree Celsius. The device operates within a junction temperature range of -40 to +125 degrees Celsius and supports a maximum shunt current of 15 mA. It is housed in a SC-70-5 surface-mount package and holds AEC-Q100 qualification for automotive applications.

Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• Micropower operation suitable for battery-powered systems
• High precision with 0.1% initial accuracy
• Low temperature drift of 30 PPM/C

Applications

• Automotive sensor signal conditioning
• Data acquisition systems requiring stable references
• Portable instrumentation powered by batteries
• Medical equipment requiring high precision

Procurement Notes

Verify the specific suffix QDCKRQ1 against the official Texas Instruments datasheet to confirm the SC-70-5 package, 5 V output, and 0.1% accuracy grade. Ensure the component meets AEC-Q100 requirements if used in automotive designs. Confirm availability status as distribution data may vary.

Selection Notes

Select this component when a 5 V reference with 0.1% accuracy is required in a compact SC-70-5 package. It is suitable for designs needing low quiescent current and high stability over temperature. Consider the 15 mA load capability for driving ADCs or comparators directly without additional buffering.

Part Context

This part belongs to the TL4050 family of precision micropower shunt voltage references from Texas Instruments. The family offers various output voltages and accuracy grades in small packages. The 'Q' designation indicates automotive qualification, while 'A' denotes the highest accuracy tier within the series.

Replacement Considerations

LM4040BIM7-5.0/NOPB is a documented alternative offering similar functionality.